package com.openlogic.common.core.json;

import java.io.IOException;
import java.io.Writer;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Collection;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;

import com.openlogic.common.core.utils.DateUtils;

public class JSONObject {

	/**
	 * JSONObject.NULL is equivalent to the value that JavaScript calls null,
	 * whilst Java's null is equivalent to the value that JavaScript calls
	 * undefined.
	 */
	private static final class Null {

		/**
		 * There is only intended to be a single instance of the NULL object, so
		 * the clone method returns itself.
		 * 
		 * @return NULL.
		 */
		protected final Object clone() {
			return this;
		}

		/**
		 * A Null object is equal to the null value and to itself.
		 * 
		 * @param object
		 *            An object to test for nullness.
		 * @return true if the object parameter is the JSONObject.NULL object or
		 *         null.
		 */
		public boolean equals(Object object) {
			return object == null || object == this;
		}

		/**
		 * Get the "null" string value.
		 * 
		 * @return The string "null".
		 */
		public String toString() {
			return "null";
		}
	}

	/**
	 * The map where the JSONObject's properties are kept.
	 */
	@SuppressWarnings("rawtypes")
	private Map map;

	/**
	 * It is sometimes more convenient and less ambiguous to have a
	 * <code>NULL</code> object than to use Java's <code>null</code> value.
	 * <code>JSONObject.NULL.equals(null)</code> returns <code>true</code>.
	 * <code>JSONObject.NULL.toString()</code> returns <code>"null"</code>.
	 */
	public static final Object NULL = new Null();

	/**
	 * Construct an empty JSONObject.
	 */
	@SuppressWarnings("rawtypes")
	public JSONObject() {
		this.map = new HashMap();
	}

	/**
	 * Construct a JSONObject from a subset of another JSONObject. An array of
	 * strings is used to identify the keys that should be copied. Missing keys
	 * are ignored.
	 * 
	 * @param jo
	 *            A JSONObject.
	 * @param names
	 *            An array of strings.
	 * @throws JSONException
	 * @exception JSONException
	 *                If a value is a non-finite number or if a name is
	 *                duplicated.
	 */
	public JSONObject(JSONObject jo, String[] names) {
		this();
		for (int i = 0; i < names.length; i += 1) {
			try {
				putOnce(names[i], jo.opt(names[i]));
			} catch (Exception ignore) {
			}
		}
	}

	/**
	 * Construct a JSONObject from a JSONTokener.
	 * 
	 * @param x
	 *            A JSONTokener object containing the source string.
	 * @throws JSONException
	 *             If there is a syntax error in the source string or a
	 *             duplicated key.
	 */
	public JSONObject(JSONTokener x) throws JSONException {
		this();
		char c;
		String key;

		if (x.nextClean() != '{') {
			throw x.syntaxError("A JSONObject text must begin with '{'");
		}
		for (;;) {
			c = x.nextClean();
			switch (c) {
			case 0:
				throw x.syntaxError("A JSONObject text must end with '}'");
			case '}':
				return;
			default:
				x.back();
				key = x.nextValue().toString();
			}

			// The key is followed by ':'. We will also tolerate '=' or '=>'.

			c = x.nextClean();
			if (c == '=') {
				if (x.next() != '>') {
					x.back();
				}
			} else if (c != ':') {
				throw x.syntaxError("Expected a ':' after a key");
			}
			putOnce(key, x.nextValue());

			// Pairs are separated by ','. We will also tolerate ';'.

			switch (x.nextClean()) {
			case ';':
			case ',':
				if (x.nextClean() == '}') {
					return;
				}
				x.back();
				break;
			case '}':
				return;
			default:
				throw x.syntaxError("Expected a ',' or '}'");
			}
		}
	}

	/**
	 * Construct a JSONObject from a Map.
	 * 
	 * @param map
	 *            A map object that can be used to initialize the contents of
	 *            the JSONObject.
	 * @throws JSONException
	 */
	@SuppressWarnings({ "rawtypes", "unchecked" })
	public JSONObject(Map map) {
		this.map = new HashMap();
		if (map != null) {
			Iterator i = map.entrySet().iterator();
			while (i.hasNext()) {
				Map.Entry e = (Map.Entry) i.next();
				Object value = e.getValue();
				if (value != null) {
					this.map.put(e.getKey(), wrap(value));
				} else {
					this.map.put(e.getKey(), "");
				}
			}
		}
	}

	/**
	 * Construct a JSONObject from an Object using bean getters. It reflects on
	 * all of the public methods of the object. For each of the methods with no
	 * parameters and a name starting with <code>"get"</code> or
	 * <code>"is"</code> followed by an uppercase letter, the method is invoked,
	 * and a key and the value returned from the getter method are put into the
	 * new JSONObject.
	 * 
	 * The key is formed by removing the <code>"get"</code> or <code>"is"</code>
	 * prefix. If the second remaining character is not upper case, then the
	 * first character is converted to lower case.
	 * 
	 * For example, if an object has a method named <code>"getName"</code>, and
	 * if the result of calling <code>object.getName()</code> is
	 * <code>"Larry Fine"</code>, then the JSONObject will contain
	 * <code>"name": "Larry Fine"</code>.
	 * 
	 * @param bean
	 *            An object that has getter methods that should be used to make
	 *            a JSONObject.
	 */
	public JSONObject(Object bean) {
		this();
		populateMap(bean);
	}

	/**
	 * Construct a JSONObject from an Object, using reflection to find the
	 * public members. The resulting JSONObject's keys will be the strings from
	 * the names array, and the values will be the field values associated with
	 * those keys in the object. If a key is not found or not visible, then it
	 * will not be copied into the new JSONObject.
	 * 
	 * @param object
	 *            An object that has fields that should be used to make a
	 *            JSONObject.
	 * @param names
	 *            An array of strings, the names of the fields to be obtained
	 *            from the object.
	 */
	@SuppressWarnings("rawtypes")
	public JSONObject(Object object, String names[]) {
		this();
		Class c = object.getClass();
		for (int i = 0; i < names.length; i += 1) {
			String name = names[i];
			try {
				putOpt(name, c.getField(name).get(object));
			} catch (Exception ignore) {
			}
		}
	}

	/**
	 * Construct a JSONObject from a source JSON text string. This is the most
	 * commonly used JSONObject constructor.
	 * 
	 * @param source
	 *            A string beginning with <code>{</code>&nbsp;<small>(left
	 *            brace)</small> and ending with <code>}</code>
	 *            &nbsp;<small>(right brace)</small>.
	 * @exception JSONException
	 *                If there is a syntax error in the source string or a
	 *                duplicated key.
	 */
	public JSONObject(String source) throws JSONException {
		this(new JSONTokener(source));
	}

	/**
	 * Construct a JSONObject from a ResourceBundle.
	 * 
	 * @param baseName
	 *            The ResourceBundle base name.
	 * @param locale
	 *            The Locale to load the ResourceBundle for.
	 * @throws JSONException
	 *             If any JSONExceptions are detected.
	 */
	@SuppressWarnings("rawtypes")
	public JSONObject(String baseName, Locale locale) throws JSONException {
		this();
		ResourceBundle bundle = ResourceBundle.getBundle(baseName, locale,
				Thread.currentThread().getContextClassLoader());

		// Iterate through the keys in the bundle.

		Enumeration keys = bundle.getKeys();
		while (keys.hasMoreElements()) {
			Object key = keys.nextElement();
			if (key instanceof String) {

				// Go through the path, ensuring that there is a nested
				// JSONObject for each
				// segment except the last. Add the value using the last
				// segment's name into
				// the deepest nested JSONObject.

				String[] path = ((String) key).split("\\.");
				int last = path.length - 1;
				JSONObject target = this;
				for (int i = 0; i < last; i += 1) {
					String segment = path[i];
					JSONObject nextTarget = target.optJSONObject(segment);
					if (nextTarget == null) {
						nextTarget = new JSONObject();
						target.put(segment, nextTarget);
					}
					target = nextTarget;
				}
				target.put(path[last], bundle.getString((String) key));
			}
		}
	}

	/**
	 * Accumulate values under a key. It is similar to the put method except
	 * that if there is already an object stored under the key then a JSONArray
	 * is stored under the key to hold all of the accumulated values. If there
	 * is already a JSONArray, then the new value is appended to it. In
	 * contrast, the put method replaces the previous value.
	 * 
	 * If only one value is accumulated that is not a JSONArray, then the result
	 * will be the same as using put. But if multiple values are accumulated,
	 * then the result will be like append.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            An object to be accumulated under the key.
	 * @return this.
	 * @throws JSONException
	 *             If the value is an invalid number or if the key is null.
	 */
	public JSONObject accumulate(String key, Object value) throws JSONException {
		testValidity(value);
		Object object = opt(key);
		if (object == null) {
			put(key, value instanceof JSONArray ? new JSONArray().put(value)
					: value);
		} else if (object instanceof JSONArray) {
			((JSONArray) object).put(value);
		} else {
			put(key, new JSONArray().put(object).put(value));
		}
		return this;
	}

	/**
	 * Append values to the array under a key. If the key does not exist in the
	 * JSONObject, then the key is put in the JSONObject with its value being a
	 * JSONArray containing the value parameter. If the key was already
	 * associated with a JSONArray, then the value parameter is appended to it.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            An object to be accumulated under the key.
	 * @return this.
	 * @throws JSONException
	 *             If the key is null or if the current value associated with
	 *             the key is not a JSONArray.
	 */
	public JSONObject append(String key, Object value) throws JSONException {
		testValidity(value);
		Object object = opt(key);
		if (object == null) {
			put(key, new JSONArray().put(value));
		} else if (object instanceof JSONArray) {
			put(key, ((JSONArray) object).put(value));
		} else {
			throw new JSONException("JSONObject[" + key
					+ "] is not a JSONArray.");
		}
		return this;
	}

	/**
	 * Produce a string from a double. The string "null" will be returned if the
	 * number is not finite.
	 * 
	 * @param d
	 *            A double.
	 * @return A String.
	 */
	public static String doubleToString(double d) {
		if (Double.isInfinite(d) || Double.isNaN(d)) {
			return "null";
		}

		// Shave off trailing zeros and decimal point, if possible.

		String string = Double.toString(d);
		if (string.indexOf('.') > 0 && string.indexOf('e') < 0
				&& string.indexOf('E') < 0) {
			while (string.endsWith("0")) {
				string = string.substring(0, string.length() - 1);
			}
			if (string.endsWith(".")) {
				string = string.substring(0, string.length() - 1);
			}
		}
		return string;
	}

	/**
	 * Get the value object associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return The object associated with the key.
	 * @throws JSONException
	 *             if the key is not found.
	 */
	public Object get(String key) throws JSONException {
		if (key == null) {
			throw new JSONException("Null key.");
		}
		Object object = opt(key);
		if (object == null) {
			throw new JSONException("JSONObject[" + quote(key) + "] not found.");
		}
		return object;
	}

	/**
	 * Get the boolean value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return The truth.
	 * @throws JSONException
	 *             if the value is not a Boolean or the String "true" or
	 *             "false".
	 */
	public boolean getBoolean(String key) throws JSONException {
		Object object = get(key);
		if (Boolean.FALSE.equals(object)
				|| (object instanceof String && ("false")
						.equalsIgnoreCase((String) object))) {
			return false;
		} else if (Boolean.TRUE.equals(object)
				|| (object instanceof String && ("true")
						.equalsIgnoreCase((String) object))) {
			return true;
		}
		throw new JSONException("JSONObject[" + quote(key)
				+ "] is not a Boolean.");
	}

	/**
	 * Get the double value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return The numeric value.
	 * @throws JSONException
	 *             if the key is not found or if the value is not a Number
	 *             object and cannot be converted to a number.
	 */
	public double getDouble(String key) throws JSONException {
		Object object = get(key);
		try {
			return object instanceof Number ? ((Number) object).doubleValue()
					: Double.parseDouble((String) object);
		} catch (Exception e) {
			throw new JSONException("JSONObject[" + quote(key)
					+ "] is not a number.");
		}
	}

	/**
	 * Get the int value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return The integer value.
	 * @throws JSONException
	 *             if the key is not found or if the value cannot be converted
	 *             to an integer.
	 */
	public int getInt(String key) throws JSONException {
		Object object = get(key);
		try {
			return object instanceof Number ? ((Number) object).intValue()
					: Integer.parseInt((String) object);
		} catch (Exception e) {
			throw new JSONException("JSONObject[" + quote(key)
					+ "] is not an int.");
		}
	}

	/**
	 * Get the JSONArray value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return A JSONArray which is the value.
	 * @throws JSONException
	 *             if the key is not found or if the value is not a JSONArray.
	 */
	public JSONArray getJSONArray(String key) throws JSONException {
		Object object = get(key);
		if (object instanceof JSONArray) {
			return (JSONArray) object;
		}
		throw new JSONException("JSONObject[" + quote(key)
				+ "] is not a JSONArray.");
	}

	/**
	 * Get the JSONObject value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return A JSONObject which is the value.
	 * @throws JSONException
	 *             if the key is not found or if the value is not a JSONObject.
	 */
	public JSONObject getJSONObject(String key) throws JSONException {
		Object object = get(key);
		if (object instanceof JSONObject) {
			return (JSONObject) object;
		}
		throw new JSONException("JSONObject[" + quote(key)
				+ "] is not a JSONObject.");
	}

	/**
	 * Get the long value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return The long value.
	 * @throws JSONException
	 *             if the key is not found or if the value cannot be converted
	 *             to a long.
	 */
	public long getLong(String key) throws JSONException {
		Object object = get(key);
		try {
			return object instanceof Number ? ((Number) object).longValue()
					: Long.parseLong((String) object);
		} catch (Exception e) {
			throw new JSONException("JSONObject[" + quote(key)
					+ "] is not a long.");
		}
	}

	/**
	 * Get an array of field names from a JSONObject.
	 * 
	 * @return An array of field names, or null if there are no names.
	 */
	@SuppressWarnings("rawtypes")
	public static String[] getNames(JSONObject jo) {
		int length = jo.length();
		if (length == 0) {
			return null;
		}
		Iterator iterator = jo.keys();
		String[] names = new String[length];
		int i = 0;
		while (iterator.hasNext()) {
			names[i] = (String) iterator.next();
			i += 1;
		}
		return names;
	}

	/**
	 * Get an array of field names from an Object.
	 * 
	 * @return An array of field names, or null if there are no names.
	 */
	@SuppressWarnings("rawtypes")
	public static String[] getNames(Object object) {
		if (object == null) {
			return null;
		}
		Class klass = object.getClass();
		Field[] fields = klass.getFields();
		int length = fields.length;
		if (length == 0) {
			return null;
		}
		String[] names = new String[length];
		for (int i = 0; i < length; i += 1) {
			names[i] = fields[i].getName();
		}
		return names;
	}

	/**
	 * Get the string associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return A string which is the value.
	 * @throws JSONException
	 *             if there is no string value for the key.
	 */
	public String getString(String key) throws JSONException {
		Object object = get(key);
		if (object instanceof String) {
			return (String) object;
		}
		throw new JSONException("JSONObject[" + quote(key) + "] not a string.");
	}

	/**
	 * Determine if the JSONObject contains a specific key.
	 * 
	 * @param key
	 *            A key string.
	 * @return true if the key exists in the JSONObject.
	 */
	public boolean has(String key) {
		return this.map.containsKey(key);
	}

	/**
	 * Increment a property of a JSONObject. If there is no such property,
	 * create one with a value of 1. If there is such a property, and if it is
	 * an Integer, Long, Double, or Float, then add one to it.
	 * 
	 * @param key
	 *            A key string.
	 * @return this.
	 * @throws JSONException
	 *             If there is already a property with this name that is not an
	 *             Integer, Long, Double, or Float.
	 */
	public JSONObject increment(String key) throws JSONException {
		Object value = opt(key);
		if (value == null) {
			put(key, 1);
		} else if (value instanceof Integer) {
			put(key, ((Integer) value).intValue() + 1);
		} else if (value instanceof Long) {
			put(key, ((Long) value).longValue() + 1);
		} else if (value instanceof Double) {
			put(key, ((Double) value).doubleValue() + 1);
		} else if (value instanceof Float) {
			put(key, ((Float) value).floatValue() + 1);
		} else {
			throw new JSONException("Unable to increment [" + quote(key) + "].");
		}
		return this;
	}

	/**
	 * Determine if the value associated with the key is null or if there is no
	 * value.
	 * 
	 * @param key
	 *            A key string.
	 * @return true if there is no value associated with the key or if the value
	 *         is the JSONObject.NULL object.
	 */
	public boolean isNull(String key) {
		return JSONObject.NULL.equals(opt(key));
	}

	/**
	 * Get an enumeration of the keys of the JSONObject.
	 * 
	 * @return An iterator of the keys.
	 */
	@SuppressWarnings("rawtypes")
	public Iterator keys() {
		return this.map.keySet().iterator();
	}

	/**
	 * Get the number of keys stored in the JSONObject.
	 * 
	 * @return The number of keys in the JSONObject.
	 */
	public int length() {
		return this.map.size();
	}

	/**
	 * Produce a JSONArray containing the names of the elements of this
	 * JSONObject.
	 * 
	 * @return A JSONArray containing the key strings, or null if the JSONObject
	 *         is empty.
	 */
	@SuppressWarnings("rawtypes")
	public JSONArray names() {
		JSONArray ja = new JSONArray();
		Iterator keys = this.keys();
		while (keys.hasNext()) {
			ja.put(keys.next());
		}
		return ja.length() == 0 ? null : ja;
	}

	/**
	 * Produce a string from a Number.
	 * 
	 * @param number
	 *            A Number
	 * @return A String.
	 * @throws JSONException
	 *             If n is a non-finite number.
	 */
	public static String numberToString(Number number) throws JSONException {
		if (number == null) {
			throw new JSONException("Null pointer");
		}
		testValidity(number);

		// Shave off trailing zeros and decimal point, if possible.

		String string = number.toString();
		if (string.indexOf('.') > 0 && string.indexOf('e') < 0
				&& string.indexOf('E') < 0) {
			while (string.endsWith("0")) {
				string = string.substring(0, string.length() - 1);
			}
			if (string.endsWith(".")) {
				string = string.substring(0, string.length() - 1);
			}
		}
		return string;
	}

	/**
	 * Get an optional value associated with a key.
	 * 
	 * @param key
	 *            A key string.
	 * @return An object which is the value, or null if there is no value.
	 */
	public Object opt(String key) {
		return key == null ? null : this.map.get(key);
	}

	/**
	 * Get an optional boolean associated with a key. It returns false if there
	 * is no such key, or if the value is not Boolean.TRUE or the String "true".
	 * 
	 * @param key
	 *            A key string.
	 * @return The truth.
	 */
	public boolean optBoolean(String key) {
		return optBoolean(key, false);
	}

	/**
	 * Get an optional boolean associated with a key. It returns the
	 * defaultValue if there is no such key, or if it is not a Boolean or the
	 * String "true" or "false" (case insensitive).
	 * 
	 * @param key
	 *            A key string.
	 * @param defaultValue
	 *            The default.
	 * @return The truth.
	 */
	public boolean optBoolean(String key, boolean defaultValue) {
		try {
			return getBoolean(key);
		} catch (Exception e) {
			return defaultValue;
		}
	}

	/**
	 * Get an optional double associated with a key, or NaN if there is no such
	 * key or if its value is not a number. If the value is a string, an attempt
	 * will be made to evaluate it as a number.
	 * 
	 * @param key
	 *            A string which is the key.
	 * @return An object which is the value.
	 */
	public double optDouble(String key) {
		return optDouble(key, Double.NaN);
	}

	/**
	 * Get an optional double associated with a key, or the defaultValue if
	 * there is no such key or if its value is not a number. If the value is a
	 * string, an attempt will be made to evaluate it as a number.
	 * 
	 * @param key
	 *            A key string.
	 * @param defaultValue
	 *            The default.
	 * @return An object which is the value.
	 */
	public double optDouble(String key, double defaultValue) {
		try {
			return getDouble(key);
		} catch (Exception e) {
			return defaultValue;
		}
	}

	/**
	 * Get an optional int value associated with a key, or zero if there is no
	 * such key or if the value is not a number. If the value is a string, an
	 * attempt will be made to evaluate it as a number.
	 * 
	 * @param key
	 *            A key string.
	 * @return An object which is the value.
	 */
	public int optInt(String key) {
		return optInt(key, 0);
	}

	/**
	 * Get an optional int value associated with a key, or the default if there
	 * is no such key or if the value is not a number. If the value is a string,
	 * an attempt will be made to evaluate it as a number.
	 * 
	 * @param key
	 *            A key string.
	 * @param defaultValue
	 *            The default.
	 * @return An object which is the value.
	 */
	public int optInt(String key, int defaultValue) {
		try {
			return getInt(key);
		} catch (Exception e) {
			return defaultValue;
		}
	}

	/**
	 * Get an optional JSONArray associated with a key. It returns null if there
	 * is no such key, or if its value is not a JSONArray.
	 * 
	 * @param key
	 *            A key string.
	 * @return A JSONArray which is the value.
	 */
	public JSONArray optJSONArray(String key) {
		Object o = opt(key);
		return o instanceof JSONArray ? (JSONArray) o : null;
	}

	/**
	 * Get an optional JSONObject associated with a key. It returns null if
	 * there is no such key, or if its value is not a JSONObject.
	 * 
	 * @param key
	 *            A key string.
	 * @return A JSONObject which is the value.
	 */
	public JSONObject optJSONObject(String key) {
		Object object = opt(key);
		return object instanceof JSONObject ? (JSONObject) object : null;
	}

	/**
	 * Get an optional long value associated with a key, or zero if there is no
	 * such key or if the value is not a number. If the value is a string, an
	 * attempt will be made to evaluate it as a number.
	 * 
	 * @param key
	 *            A key string.
	 * @return An object which is the value.
	 */
	public long optLong(String key) {
		return optLong(key, 0);
	}

	/**
	 * Get an optional long value associated with a key, or the default if there
	 * is no such key or if the value is not a number. If the value is a string,
	 * an attempt will be made to evaluate it as a number.
	 * 
	 * @param key
	 *            A key string.
	 * @param defaultValue
	 *            The default.
	 * @return An object which is the value.
	 */
	public long optLong(String key, long defaultValue) {
		try {
			return getLong(key);
		} catch (Exception e) {
			return defaultValue;
		}
	}

	/**
	 * Get an optional string associated with a key. It returns an empty string
	 * if there is no such key. If the value is not a string and is not null,
	 * then it is converted to a string.
	 * 
	 * @param key
	 *            A key string.
	 * @return A string which is the value.
	 */
	public String optString(String key) {
		return optString(key, "");
	}

	/**
	 * Get an optional string associated with a key. It returns the defaultValue
	 * if there is no such key.
	 * 
	 * @param key
	 *            A key string.
	 * @param defaultValue
	 *            The default.
	 * @return A string which is the value.
	 */
	public String optString(String key, String defaultValue) {
		Object object = opt(key);
		return NULL.equals(object) ? defaultValue : object.toString();
	}

	@SuppressWarnings({ "rawtypes", "unchecked" })
	private void populateMap(Object bean) {
		Class klass = bean.getClass();

		// If klass is a System class then set includeSuperClass to false.

		boolean includeSuperClass = klass.getClassLoader() != null;

		Method[] methods = (includeSuperClass) ? klass.getMethods() : klass
				.getDeclaredMethods();
		for (int i = 0; i < methods.length; i += 1) {
			try {
				Method method = methods[i];
				if (Modifier.isPublic(method.getModifiers())) {
					String name = method.getName();
					String key = "";
					if (name.startsWith("get")) {
						if ("getClass".equals(name)
								|| "getDeclaringClass".equals(name)) {
							key = "";
						} else {
							key = name.substring(3);
						}
					} else if (name.startsWith("is")) {
						key = name.substring(2);
					}
					if (key.length() > 0
							&& Character.isUpperCase(key.charAt(0))
							&& method.getParameterTypes().length == 0) {
						if (key.length() == 1) {
							key = key.toLowerCase();
						} else if (!Character.isUpperCase(key.charAt(1))) {
							key = key.substring(0, 1).toLowerCase()
									+ key.substring(1);
						}

						Object result = method.invoke(bean, (Object[]) null);
						if (result != null) {
							map.put(key, wrap(result));
						}
					}
				}
			} catch (Exception ignore) {
			}
		}
	}

	/**
	 * Put a key/boolean pair in the JSONObject.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            A boolean which is the value.
	 * @return this.
	 * @throws JSONException
	 *             If the key is null.
	 */
	public JSONObject put(String key, boolean value) throws JSONException {
		put(key, value ? Boolean.TRUE : Boolean.FALSE);
		return this;
	}

	/**
	 * Put a key/value pair in the JSONObject, where the value will be a
	 * JSONArray which is produced from a Collection.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            A Collection value.
	 * @return this.
	 * @throws JSONException
	 */
	@SuppressWarnings("rawtypes")
	public JSONObject put(String key, Collection value) throws JSONException {
		put(key, new JSONArray(value));
		return this;
	}

	/**
	 * Put a key/double pair in the JSONObject.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            A double which is the value.
	 * @return this.
	 * @throws JSONException
	 *             If the key is null or if the number is invalid.
	 */
	public JSONObject put(String key, double value) throws JSONException {
		put(key, Double.valueOf(value));
		return this;
	}

	/**
	 * Put a key/int pair in the JSONObject.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            An int which is the value.
	 * @return this.
	 * @throws JSONException
	 *             If the key is null.
	 */
	public JSONObject put(String key, int value) throws JSONException {
		put(key, Integer.valueOf(value));
		return this;
	}

	/**
	 * Put a key/long pair in the JSONObject.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            A long which is the value.
	 * @return this.
	 * @throws JSONException
	 *             If the key is null.
	 */
	public JSONObject put(String key, long value) throws JSONException {
		put(key, Long.valueOf(value));
		return this;
	}

	/**
	 * Put a key/value pair in the JSONObject, where the value will be a
	 * JSONObject which is produced from a Map.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            A Map value.
	 * @return this.
	 * @throws JSONException
	 */
	@SuppressWarnings("rawtypes")
	public JSONObject put(String key, Map value) throws JSONException {
		put(key, new JSONObject(value));
		return this;
	}

	/**
	 * Put a key/value pair in the JSONObject. If the value is null, then the
	 * key will be removed from the JSONObject if it is present.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            An object which is the value. It should be of one of these
	 *            types: Boolean, Double, Integer, JSONArray, JSONObject, Long,
	 *            String, or the JSONObject.NULL object.
	 * @return this.
	 * @throws JSONException
	 *             If the value is non-finite number or if the key is null.
	 */
	@SuppressWarnings("unchecked")
	public JSONObject put(String key, Object value) throws JSONException {
		if (key == null) {
			throw new JSONException("Null key.");
		}
		if (value != null) {
			testValidity(value);
			this.map.put(key, value);
		} else {
			remove(key);
		}
		return this;
	}

	/**
	 * Put a key/value pair in the JSONObject, but only if the key and the value
	 * are both non-null, and only if there is not already a member with that
	 * name.
	 * 
	 * @param key
	 * @param value
	 * @return his.
	 * @throws JSONException
	 *             if the key is a duplicate
	 */
	public JSONObject putOnce(String key, Object value) throws JSONException {
		if (key != null && value != null) {
			if (opt(key) != null) {
				throw new JSONException("Duplicate key \"" + key + "\"");
			}
			put(key, value);
		}
		return this;
	}

	/**
	 * Put a key/value pair in the JSONObject, but only if the key and the value
	 * are both non-null.
	 * 
	 * @param key
	 *            A key string.
	 * @param value
	 *            An object which is the value. It should be of one of these
	 *            types: Boolean, Double, Integer, JSONArray, JSONObject, Long,
	 *            String, or the JSONObject.NULL object.
	 * @return this.
	 * @throws JSONException
	 *             If the value is a non-finite number.
	 */
	public JSONObject putOpt(String key, Object value) throws JSONException {
		if (key != null && value != null) {
			put(key, value);
		}
		return this;
	}

	/**
	 * Produce a string in double quotes with backslash sequences in all the
	 * right places. A backslash will be inserted within </, producing <\/,
	 * allowing JSON text to be delivered in HTML. In JSON text, a string cannot
	 * contain a control character or an unescaped quote or backslash.
	 * 
	 * @param string
	 *            A String
	 * @return A String correctly formatted for insertion in a JSON text.
	 */
	public static String quote(String string) {
		if (string == null || string.length() == 0) {
			return "\"\"";
		}

		char b;
		char c = 0;
		String hhhh;
		int i;
		int len = string.length();
		StringBuffer sb = new StringBuffer(len + 4);

		sb.append('"');
		for (i = 0; i < len; i += 1) {
			b = c;
			c = string.charAt(i);
			switch (c) {
			case '\\':
			case '"':
				sb.append('\\');
				sb.append(c);
				break;
			case '/':
				if (b == '<') {
					sb.append('\\');
				}
				sb.append(c);
				break;
			case '\b':
				sb.append("\\b");
				break;
			case '\t':
				sb.append("\\t");
				break;
			case '\n':
				sb.append("\\n");
				break;
			case '\f':
				sb.append("\\f");
				break;
			case '\r':
				sb.append("\\r");
				break;
			default:
				if (c < ' ' || (c >= '\u0080' && c < '\u00a0')
						|| (c >= '\u2000' && c < '\u2100')) {
					hhhh = "000" + Integer.toHexString(c);
					sb.append("\\u" + hhhh.substring(hhhh.length() - 4));
				} else {
					sb.append(c);
				}
			}
		}
		sb.append('"');
		return sb.toString();
	}

	/**
	 * Remove a name and its value, if present.
	 * 
	 * @param key
	 *            The name to be removed.
	 * @return The value that was associated with the name, or null if there was
	 *         no value.
	 */
	public Object remove(String key) {
		return this.map.remove(key);
	}

	/**
	 * Try to convert a string into a number, boolean, or null. If the string
	 * can't be converted, return the string.
	 * 
	 * @param string
	 *            A String.
	 * @return A simple JSON value.
	 */
	public static Object stringToValue(String string) {
		if ("".equals(string)) {
			return string;
		}
		if ("true".equalsIgnoreCase(string)) {
			return Boolean.TRUE;
		}
		if ("false".equalsIgnoreCase(string)) {
			return Boolean.FALSE;
		}
		if ("null".equalsIgnoreCase(string)) {
			return JSONObject.NULL;
		}

		/*
		 * If it might be a number, try converting it. We support the
		 * non-standard 0x- convention. If a number cannot be produced, then the
		 * value will just be a string. Note that the 0x-, plus, and implied
		 * string conventions are non-standard. A JSON parser may accept
		 * non-JSON forms as long as it accepts all correct JSON forms.
		 */

		char b = string.charAt(0);
		if ((b >= '0' && b <= '9') || b == '.' || b == '-' || b == '+') {
			if (b == '0' && string.length() > 2
					&& (string.charAt(1) == 'x' || string.charAt(1) == 'X')) {
				try {
					return Integer.valueOf(
							Integer.parseInt(string.substring(2), 16));
				} catch (Exception ignore) {
				}
			}
			try {
				if (string.indexOf('.') > -1 || string.indexOf('e') > -1
						|| string.indexOf('E') > -1) {
					return Double.valueOf(string);
				} else {
					Long myLong = Long.valueOf(string);
					if (myLong.longValue() == myLong.intValue()) {
						return Integer.valueOf(myLong.intValue());
					} else {
						return myLong;
					}
				}
			} catch (Exception ignore) {
			}
		}
		return string;
	}

	/**
	 * Throw an exception if the object is a NaN or infinite number.
	 * 
	 * @param o
	 *            The object to test.
	 * @throws JSONException
	 *             If o is a non-finite number.
	 */
	public static void testValidity(Object o) throws JSONException {
		if (o != null) {
			if (o instanceof Double) {
				if (((Double) o).isInfinite() || ((Double) o).isNaN()) {
					throw new JSONException(
							"JSON does not allow non-finite numbers.");
				}
			} else if (o instanceof Float) {
				if (((Float) o).isInfinite() || ((Float) o).isNaN()) {
					throw new JSONException(
							"JSON does not allow non-finite numbers.");
				}
			}
		}
	}

	/**
	 * Produce a JSONArray containing the values of the members of this
	 * JSONObject.
	 * 
	 * @param names
	 *            A JSONArray containing a list of key strings. This determines
	 *            the sequence of the values in the result.
	 * @return A JSONArray of values.
	 * @throws JSONException
	 *             If any of the values are non-finite numbers.
	 */
	public JSONArray toJSONArray(JSONArray names) throws JSONException {
		if (names == null || names.length() == 0) {
			return null;
		}
		JSONArray ja = new JSONArray();
		for (int i = 0; i < names.length(); i += 1) {
			ja.put(this.opt(names.getString(i)));
		}
		return ja;
	}

	/**
	 * Make a JSON text of this JSONObject. For compactness, no whitespace is
	 * added. If this would not result in a syntactically correct JSON text,
	 * then null will be returned instead.
	 * <p>
	 * Warning: This method assumes that the data structure is acyclical.
	 * 
	 * @return a printable, displayable, portable, transmittable representation
	 *         of the object, beginning with <code>{</code>&nbsp;<small>(left
	 *         brace)</small> and ending with <code>}</code>&nbsp;<small>(right
	 *         brace)</small>.
	 */
	@SuppressWarnings("rawtypes")
	public String toString() {
		try {
			Iterator keys = this.keys();
			StringBuffer sb = new StringBuffer("{");

			while (keys.hasNext()) {
				if (sb.length() > 1) {
					sb.append(',');
				}
				Object o = keys.next();
				sb.append(quote(o.toString()));
				sb.append(':');
				sb.append(valueToString(this.map.get(o)));
			}
			sb.append('}');
			return sb.toString();
		} catch (Exception e) {
			return null;
		}
	}

	/**
	 * Make a prettyprinted JSON text of this JSONObject.
	 * <p>
	 * Warning: This method assumes that the data structure is acyclical.
	 * 
	 * @param indentFactor
	 *            The number of spaces to add to each level of indentation.
	 * @return a printable, displayable, portable, transmittable representation
	 *         of the object, beginning with <code>{</code>&nbsp;<small>(left
	 *         brace)</small> and ending with <code>}</code>&nbsp;<small>(right
	 *         brace)</small>.
	 * @throws JSONException
	 *             If the object contains an invalid number.
	 */
	public String toString(int indentFactor) throws JSONException {
		return toString(indentFactor, 0);
	}

	/**
	 * Make a prettyprinted JSON text of this JSONObject.
	 * <p>
	 * Warning: This method assumes that the data structure is acyclical.
	 * 
	 * @param indentFactor
	 *            The number of spaces to add to each level of indentation.
	 * @param indent
	 *            The indentation of the top level.
	 * @return a printable, displayable, transmittable representation of the
	 *         object, beginning with <code>{</code>&nbsp;<small>(left
	 *         brace)</small> and ending with <code>}</code>&nbsp;<small>(right
	 *         brace)</small>.
	 * @throws JSONException
	 *             If the object contains an invalid number.
	 */
	@SuppressWarnings("rawtypes")
	String toString(int indentFactor, int indent) throws JSONException {
		int i;
		int length = this.length();
		if (length == 0) {
			return "{}";
		}
		Iterator keys = this.keys();
		int newindent = indent + indentFactor;
		Object object;
		StringBuffer sb = new StringBuffer("{");
		if (length == 1) {
			object = keys.next();
			sb.append(quote(object.toString()));
			sb.append(": ");
			sb.append(valueToString(this.map.get(object), indentFactor, indent));
		} else {
			while (keys.hasNext()) {
				object = keys.next();
				if (sb.length() > 1) {
					sb.append(",\n");
				} else {
					sb.append('\n');
				}
				for (i = 0; i < newindent; i += 1) {
					sb.append(' ');
				}
				sb.append(quote(object.toString()));
				sb.append(": ");
				sb.append(valueToString(this.map.get(object), indentFactor,
						newindent));
			}
			if (sb.length() > 1) {
				sb.append('\n');
				for (i = 0; i < indent; i += 1) {
					sb.append(' ');
				}
			}
		}
		sb.append('}');
		return sb.toString();
	}

	/**
	 * Make a JSON text of an Object value. If the object has an
	 * value.toJSONString() method, then that method will be used to produce the
	 * JSON text. The method is required to produce a strictly conforming text.
	 * If the object does not contain a toJSONString method (which is the most
	 * common case), then a text will be produced by other means. If the value
	 * is an array or Collection, then a JSONArray will be made from it and its
	 * toJSONString method will be called. If the value is a MAP, then a
	 * JSONObject will be made from it and its toJSONString method will be
	 * called. Otherwise, the value's toString method will be called, and the
	 * result will be quoted.
	 * 
	 * <p>
	 * Warning: This method assumes that the data structure is acyclical.
	 * 
	 * @param value
	 *            The value to be serialized.
	 * @return a printable, displayable, transmittable representation of the
	 *         object, beginning with <code>{</code>&nbsp;<small>(left
	 *         brace)</small> and ending with <code>}</code>&nbsp;<small>(right
	 *         brace)</small>.
	 * @throws JSONException
	 *             If the value is or contains an invalid number.
	 */
	@SuppressWarnings("rawtypes")
	public static String valueToString(Object value) throws JSONException {
		if (value == null) {
			return "null";
		}
		if (value instanceof JSONString) {
			Object object;
			try {
				object = ((JSONString) value).toJSONString();
				return (String) object;
			} catch (Exception e) {
				throw new JSONException(e);
			}
		}
		if (value instanceof Number) {
			return numberToString((Number) value);
		}
		if (value instanceof Boolean || value instanceof JSONObject
				|| value instanceof JSONArray) {
			return value.toString();
		}
		if (value instanceof Map) {
			return new JSONObject((Map) value).toString();
		}
		if (value instanceof Collection) {
			return new JSONArray((Collection) value).toString();
		}
		if (value.getClass().isArray()) {
			return new JSONArray(value).toString();
		}
		return quote(value.toString());
	}

	/**
	 * Make a prettyprinted JSON text of an object value.
	 * <p>
	 * Warning: This method assumes that the data structure is acyclical.
	 * 
	 * @param value
	 *            The value to be serialized.
	 * @param indentFactor
	 *            The number of spaces to add to each level of indentation.
	 * @param indent
	 *            The indentation of the top level.
	 * @return a printable, displayable, transmittable representation of the
	 *         object, beginning with <code>{</code>&nbsp;<small>(left
	 *         brace)</small> and ending with <code>}</code>&nbsp;<small>(right
	 *         brace)</small>.
	 * @throws JSONException
	 *             If the object contains an invalid number.
	 */
	@SuppressWarnings("rawtypes")
	static String valueToString(Object value, int indentFactor, int indent)
			throws JSONException {
		if (value == null) {
			return "null";
		}
		try {
			if (value instanceof JSONString) {
				Object o = ((JSONString) value).toJSONString();
				//20180801,hanxueliang修改，代码扫描异常，“高危 - instanceof会一直返回true”
				//注释掉if语句
//				if (o instanceof String) {
					return (String) o;
//				}
			}
		} catch (Exception ignore) {
		}
		if (value instanceof Number) {
			return numberToString((Number) value);
		}
		if (value instanceof Boolean) {
			return value.toString();
		}
		if (value instanceof JSONObject) {
			return ((JSONObject) value).toString(indentFactor, indent);
		}
		if (value instanceof JSONArray) {
			return ((JSONArray) value).toString(indentFactor, indent);
		}
		if (value instanceof Map) {
			return new JSONObject((Map) value).toString(indentFactor, indent);
		}
		if (value instanceof Collection) {
			return new JSONArray((Collection) value).toString(indentFactor,
					indent);
		}
		if (value.getClass().isArray()) {
			return new JSONArray(value).toString(indentFactor, indent);
		}
		return quote(value.toString());
	}

	/**
	 * Wrap an object, if necessary. If the object is null, return the NULL
	 * object. If it is an array or collection, wrap it in a JSONArray. If it is
	 * a map, wrap it in a JSONObject. If it is a standard property (Double,
	 * String, et al) then it is already wrapped. Otherwise, if it comes from
	 * one of the java packages, turn it into a string. And if it doesn't, try
	 * to wrap it in a JSONObject. If the wrapping fails, then null is returned.
	 * 
	 * @param object
	 *            The object to wrap
	 * @return The wrapped value
	 */
	@SuppressWarnings("rawtypes")
	public static Object wrap(Object object) {
		try {
			if (object == null) {
				return NULL;
			}
			if (object instanceof JSONObject || object instanceof JSONArray
					|| NULL.equals(object) || object instanceof JSONString
					|| object instanceof Byte || object instanceof Character
					|| object instanceof Short || object instanceof Integer
					|| object instanceof Long || object instanceof Boolean
					|| object instanceof Float || object instanceof Double
					|| object instanceof String) {
				return object;
			}

			if (object instanceof Collection) {
				return new JSONArray((Collection) object);
			}
			if (object.getClass().isArray()) {
				return new JSONArray(object);
			}
			if (object instanceof Map) {
				return new JSONObject((Map) object);
			}

			// 对时间对象进行特殊处理
			if (object instanceof Date) {
				return DateUtils.toString((Date) object,
						DateUtils.DATE_FORMAT_DATETIME);
			}

			if (object instanceof Enum) {
				return object + "";
			}
			Package objectPackage = object.getClass().getPackage();
			String objectPackageName = objectPackage != null ? objectPackage
					.getName() : "";
			if (objectPackageName.startsWith("java.")
					|| objectPackageName.startsWith("javax.")
					|| object.getClass().getClassLoader() == null) {

				return object.toString();
			}
			return new JSONObject(object);
		} catch (Exception exception) {
			return null;
		}
	}

	/**
	 * Write the contents of the JSONObject as JSON text to a writer. For
	 * compactness, no whitespace is added.
	 * <p>
	 * Warning: This method assumes that the data structure is acyclical.
	 * 
	 * @return The writer.
	 * @throws JSONException
	 */
	@SuppressWarnings("rawtypes")
	public Writer write(Writer writer) throws JSONException {
		try {
			boolean commanate = false;
			Iterator keys = this.keys();
			writer.write('{');

			while (keys.hasNext()) {
				if (commanate) {
					writer.write(',');
				}
				Object key = keys.next();
				writer.write(quote(key.toString()));
				writer.write(':');
				Object value = this.map.get(key);
				if (value instanceof JSONObject) {
					((JSONObject) value).write(writer);
				} else if (value instanceof JSONArray) {
					((JSONArray) value).write(writer);
				} else {
					writer.write(valueToString(value));
				}
				commanate = true;
			}
			writer.write('}');
			return writer;
		} catch (IOException exception) {
			throw new JSONException(exception);
		}
	}

	@SuppressWarnings("rawtypes")
	public Class getObjectClass() {
		return null;
	}
}